'''
1.变量只能是字母、数字、下划线组成
2.不能以数字开头
3.严格区分大小写
4.不能使用Python内置的关键字
'''
# 1.定义一个变量name
name = '张三'
# 2.定义一个变量age
age = 30
# 3.定义一个变量address
address = '北京海淀区'

# 打印变量
# Print the name variable
print(name)

# Print the type of the name variable
print(type(name))

# Print the name, age, and address variables together
print(name, age, address)


# Print the name, age, and address variables with a custom separator and end character

